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29004957 = 323222773
BaseRepresentation
bin110111010100…
…1010010011101
32000120121022200
41232221102131
524411124312
62513402113
7501352362
oct156512235
960517280
1029004957
1115410943
129869339
1360170c7
143bd0469
15282e0dc
hex1ba949d

29004957 has 6 divisors (see below), whose sum is σ = 41896062. Its totient is φ = 19336632.

The previous prime is 29004923. The next prime is 29004967. The reversal of 29004957 is 75940092.

It can be written as a sum of positive squares in only one way, i.e., 16088121 + 12916836 = 4011^2 + 3594^2 .

It is not a de Polignac number, because 29004957 - 224 = 12227741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29004967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1611378 + ... + 1611395.

It is an arithmetic number, because the mean of its divisors is an integer number (6982677).

Almost surely, 229004957 is an apocalyptic number.

It is an amenable number.

29004957 is a deficient number, since it is larger than the sum of its proper divisors (12891105).

29004957 is a wasteful number, since it uses less digits than its factorization.

29004957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222779 (or 3222776 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 29004957 is about 5385.6250333643. The cubic root of 29004957 is about 307.2491867144.

The spelling of 29004957 in words is "twenty-nine million, four thousand, nine hundred fifty-seven".

Divisors: 1 3 9 3222773 9668319 29004957